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<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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<body>
    <script>
        //构造函数的原型
        let web={};//Object
        console.log(web.__proto__ == Object.prototype);//true

        let arr=[];//new Array
        console.log(arr.__proto__==Array.prototype);//true

        let str="";
        console.log(str.__proto__==String.prototype);
        //
        let bol=true;
        console.log(bol.__proto__==Boolean.prototype);
        
        
    </script>
</body>
</html>